Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 John C. Grau US Army 2
2 Mark R. Berardi Schering 1
2 Elmer Mirro Schering 1
2 Timothy D. Marvil Ames Rubber 1

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